2600 Magazine - The Hacker Quarterly - Information about recent hacks, jailed hackers, and other updates.
@Stake - @Stake has some of the most well known hackers working for them. @Stake and L0pht Heavy Industries Merged and created the one of the most skilled security companies in the world.
Active Matrix' Hideaway - Computer security, hacking, exploits, cryptos, remailers, etc.
Aleph One - Moderator of BugTraq
Attrition.org - Attrition is an eclectic collection of internet and computer security resources.
b0tki113R's H/P/V/A/C Site - Devoted to hacking, hacking information and information on the hacker community.
Beerninjas - A group of computer enthusiasts with the desire to learn the truth and expose myths and hoaxes.
Black Ice Hackers - Trojans available for download. Bulletin board, member profiles, and mirrors of defaced sites.
Blue Collar Hacker's Union - Information about free ISPs, phreaking, programming, and member pages.
BlueFish - Member of the Eleventh Alliance Development Team.
Brian Oblivion - Contact person for the Lopht Hacking Group.
Cancer Omega - Attrition Group Member and CoffeeWars Organizer
Chaos Computer Club - German hacker group.
Coffee Wars - Defcon attendees brew and judge their favorite types of hot caffeine.
Crewl Underground Madness - Belgian group specialized in computer and network (in)security, hacking, coding and phreaking
Cult of the Dead Cow - cDc - The group responsible for the famous "Back Orifice" Trojan a.k.a "BO".
Cyber Army Canada - We have a moo from which we run taining missions and computer war games on linux and unix machines
CyberWarrior Main Base - CyberWarrior specializes in tutorials, downloads ,and other information.
DALnet's Darknet.org Homepage. - A site about Internet Security, Exploits, Hacking, Cracking and DOS. Many useful links to security related content.
Dave Secretary's Hacking - A fairly detailed website about hacking and its related subjects.
Demonic Hacking Clan - H/P/V/C/A. Direct Downloads. A well rounded hacking site.
Digital Information Society - Exploit archive, phreaking information, and group member pages.
Eleventh Alliance - Eleventh Alliance - created by hackers for hackers.
Exposure of The FBI and DoS attacks - Find the real deal behind the investigations of the DoS attacks.
F H O Hackers - The Flame Hacker Organisation is based in the UK It contains loads of tutorials, files and links on Hacking/Cracking/Phreaking/Virii
Firest0rm - The Firest0rm Group is a bunch of computer professionals focusing on computer security, such as IDS, DoS, Virus, Trojan, and Remote attacks.
Free Kevin Mitnick - Group in support of Kevin Mitnick, a hacker imprisoned from 1994 to Jan, 2000.
Hackeroid - Russian based hacking group.
Hackers Home Page - Most comprehensive on-line catalog designed for the serious computer hacker, phreaker, cracker, dss/cable tv user, gambler, spy, and electronics enthusiast.
Hackers Of RM Connect - Password crackers, keyloggers, and articles.
Hackers' Hall of Fame - Discovery Online Hackers Hall of Fame. Great resource to look up hackers in the past. Very detailed, and good reading. Nice section to surf when bored.
Hackerz.Network - Free @hackerz.net email, discussion forum on hacking, and free username.hackerz.net hosting.
HackHull - Group of hackers in the United Kingdom. Information about meetings, projects, and links to personal pages.
Hacking/Technology Docs and Apps - A collection of hacking and computer technology related documents is offered, as well as some programs.
HATE (Hackers Against Tyranny Everywhere) - Anarchy, HAcking, Phreaking files for newbies.
HaTeRz - ThE HaTeRz homepage on hacking
HERT - HERT, the Hacker Emergency Response Team, is a think pool of computer engineers and scientists specialized in security and reverse engineering.
Hexanalys - Tutorials on Security and Programming.
Indian Crackers Online - Reverse engineering website and forum.
INFOSYSSEC - Security articles, tutorials, networking, exploits, news sources and downloads
IntelBrief's Security/Hacker Website List - Stay abrest of the state of the hacker community with this page of hacker site. Site also includes info on computer security.
Kingpin - Member of the Lopht Hacking Group.
L0pht Heavy Industries - The good guys.
Mad Hacker Labs - Project information and member profiles.
Magician's Homepage - Information and articles on tech stuff, apps, mp3s and links to various interesting techie sites.
Mindrape - Mindrape contains a collection of Australian underground h/p zines and Internet security related resources.
Moloch Industries - A New York hacher group.
Neoworld: The Indian Hacker Group - Member profiles, hacking tools, and links
Network Security Library - Windows, unix, netware, WWW, firewalls, intrusion detection systems, security policy, books, papers, articles, etc.
NevadaUnderground - Underground group website with messageboard and meeting information
Nomad Mobile Research Centre - Variety of interesting Projects, Papers and Programs
Nova Freeze - Nova Freezes' site on hacking, phreaking, exploits and computer security.
Planet Zenn-La Hackers - Chat, bulletin board, and featured downloads.
Progenic Security - Security advice and exploits.
Pulhas WebSite - A collection of current hacker news articles.
Puppet - Creator of NukeNabber has some good links.
RedBoxChiliPepper's (RBCP) Homepage - The guy who started a phreaking movement called the Phone Losers of America (PLA). Site is updated frequently with entertaining information.
RenegadeForce PHC HQ - The HQ of RenegadeForce has Programming, Hacking & Cracking etc.
SecureAustin Tools/Services - HD Moore-security consultant, programmer, expert in web security.
Security Focus - Security Focus publications by Hackers (Security Professionals), as well as tools, advisories, and run several large mailing lists like Bugtraq, and Vuln-dev.
Silver Lords Home Page - Trojans/Serialz/Virus/ICQ War/AOL
SnakeByte - SnakeByte's home offers you a remover for several trojans like netbus, back orifice, sub seven, and others. It also contains STC a security all-in-one program with tools like portscanner, brute forcer, irc flooder, nuker, ping, traceroute and more.
Synnergy Networks - Security research site with quality papers and exploits
Takedown - Kevin Mitnick's pursuer's version of his saga. Somewhat biased.
Tan - Member of Lopht.
The BioHazard HQ. - "Hackers" information, RFC's, Rainbow-books, virii, downloads, etc.
The Electronical Assassins - Member information, links, and hacking tools.
The Hacker's Choice - Group that has released quite a lot interesting papers and programs
the idiotbox - the idiotbox is the pet project of sagi, a hacker from israel, where he posts his source code and texts regarding security, networking, cryptography and os design.
The International Information Retrieval Guild - IIRG since 1982 publishers of Phantasy and Cybertek Magazines.
The Southbend Hackers Club - Club based in Southbend, IN. Site a message board, updates, and links.
Toxyn Technologies, Inc. - Hacking related group.
Trauma Inc. - Computer security, advanced computer and telecom research and projects. The "Mature" hackers.
Twentythreedotorg - SoCal's hacking group. Canadian free since 1999.
TwistedinterneT ServiceS International Inc. - Underground Hacker site with an extensive archive & library.
Weld Pond - Another member of Lopht has several articles regarding NT security.
White Knight Hackers - Forensics software, penetration testing, and security design.
Who RU - Short and often incorrect bios on several well known people in the scene.